6309-Z-C4

Tier-one manufacturer — brand supplied may vary ✓ Dimensions checked: ISO table and supplier data agree
Regular price $55.95 USD
Regular price Sale price $55.95 USD
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Bore45 mm 1.7717 in
Outside dia.100 mm 3.937 in
Width25 mm 0.9843 in
TypeDeep groove ball bearing
SealingMetal shield, one side
ClearanceC4
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Image is for illustration purposes only.

What 6309-Z-C4 means

CodePositionMeaning
6 Type Deep groove ball bearing
3 Diameter series Diameter series 3 (medium): fixes OD and width for the bore (ISO 15)
09 Bore Bore code 09 × 5 = 45 mm
Z Closure Metal shield, one side
C4 Internal clearance C4: radial internal clearance greater than C3

Read from the ISO / ABMA numbering rules and the makers' published suffix conventions. Decode any other number with the bearing number decoder.

6309-Z-C4 specifications

Specification Metric Inch Basis
Bore (d) 45 mm 1.7717 in ISO table for this designation, confirmed by supplier data
Outside diameter (D) 100 mm 3.937 in ISO table for this designation, confirmed by supplier data
Width (B) 25 mm 0.9843 in ISO table for this designation, confirmed by supplier data
Bearing type Deep groove ball bearing Stated by the designation
Seals / shields Metal shield, one side Stated by the designation
Internal clearance C4 (greater than C3) Stated by the designation
Tolerance class Normal (ISO P0 / ABEC 1): no tolerance-class code Stated by the designation

6309-Z-C4 is a deep groove ball bearing, 45 mm bore × 100 mm OD × 25 mm wide (1.7717 × 3.937 × 0.9843 in). It has a metal shield on one side and C4 internal clearance.

The 6309-Z-C4 is a deep groove ball bearing with a 45mm bore diameter, 100mm outside diameter, and 25mm width. It features a single metal shield on one side and C4 internal clearance, which is greater than standard C3 clearance for applications requiring additional internal clearance due to thermal expansion or shaft deflection.